This topic contains a solution. Click here to go to the answer

Author Question: Researchers pilot test independent variables to a. see whether they affect the dependent variable ... (Read 108 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
Researchers pilot test independent variables to
 
  a. see whether they affect the dependent variable
  b. eliminate error variance
  c. look for confounds
  d. determine whether participants can detect differences in the levels
  e. allow confederates to practice their roles

Question 2

In a study of the effects of exercise on cardiovascular fitness, a sport psychologist randomly assigned participants to one of four groups.
 
  Participants engaged in aerobic exercise for either 0, 15, 30, or 60 minutes three days a week for three months. Which of the following statements is true about this study?
  a. there is no control group
  b. participants in the control group did not exercise
  c. there are four independent variables
  d. the dependent variable has four levels
  e. this is not an experiment



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

d

Answer to Question 2

b




sjones

  • Member
  • Posts: 520
Reply 2 on: Jun 20, 2018
Excellent


matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library